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C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_solo_timestep.F,v 1.2 2012/07/19 18:46:56 dgoldberg Exp $ |
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C $Name: $ |
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|
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#include "STREAMICE_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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CBOP |
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SUBROUTINE STREAMICE_SOLO_TIMESTEP ( myThid, myIter, |
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& iLoop, myTime ) |
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|
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C /============================================================\ |
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C | SUBROUTINE | |
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C | o | |
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C |============================================================| |
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C | | |
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C \============================================================/ |
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IMPLICIT NONE |
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|
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C === Global variables === |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "STREAMICE.h" |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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# include "STREAMICE_ADV.h" |
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# include "STREAMICE_BDRY.h" |
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# include "STREAMICE_CG.h" |
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#endif |
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|
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|
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INTEGER myThid, myIter, iLoop |
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_RL myTime |
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|
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|
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#ifdef ALLOW_STREAMICE |
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|
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INTEGER i, j, bi, bj, ki, kj |
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! _RL Iratio, Imin_ratio, time_step_remain, local_u_max |
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! _RL ratio, min_ratio |
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! _RL local_v_max, time_step_int, min_time_step |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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! LOGICAL modelEnd |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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c************************************** |
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#include "streamice_ad_check_lev1_dir.h" |
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c************************************** |
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#endif |
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|
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! time_step_remain = deltaT |
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! min_time_step = 1000.0 |
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! n_interm = 0 |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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STREAMICE_ufacemask(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_vfacemask(i,j,bi,bj) = 0. _d 0 |
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ru_old_si(i,j,bi,bj) = 0. _d 0 |
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rv_old_si(i,j,bi,bj) = 0. _d 0 |
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zu_old_si(i,j,bi,bj) = 0. _d 0 |
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zv_old_si(i,j,bi,bj) = 0. _d 0 |
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h_after_uflux_si(i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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#endif |
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|
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|
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! do while (time_step_remain .gt. 0. _d 0) |
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! |
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! n_interm = n_interm + 1 |
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! Imin_ratio = 1.0e-16 |
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! |
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! DO bj = myByLo(myThid), myByHi(myThid) |
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! DO bi = myBxLo(myThid), myBxHi(myThid) |
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! DO j=1,sNy |
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! DO i=1,sNx |
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! |
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! local_u_max = 0 |
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! local_v_max = 0 |
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! |
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! if (STREAMICE_hmask (i,j,bi,bj) .eq. 1.0) then |
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! do ki = 0,1 |
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! do kj = 0,1 |
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! local_u_max = |
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! & max (local_u_max, abs(U_streamice(i+ki,j+kj,bi,bj))) |
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! local_v_max = |
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! & max (local_v_max, abs(V_streamice(i+ki,j+kj,bi,bj))) |
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! enddo |
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! enddo |
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! |
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! Iratio = max (local_u_max/dxF(i,j,bi,bj) , |
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! & local_v_max/dyF(i,j,bi,bj)) |
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! Imin_ratio = max (Imin_ratio, Iratio) |
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! endif |
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! |
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! enddo |
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! enddo |
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! enddo |
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! enddo |
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! |
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! CALL GLOBAL_MAX_R8 (Imin_ratio, myThid) |
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! min_ratio = 1./(Imin_ratio+1.e-12) |
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! time_step_int = |
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! & min(streamice_CFL_factor*min_ratio*(365*86400), |
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! & deltaT) |
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! |
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! if (time_step_int .lt. min_time_step) then |
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! WRITE(msgBuf,'(A,A,E9.2)') 'streamice solo_time_step:', |
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! & ' abnormally small timestep ', |
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! & streamice_CFL_factor*min_ratio*(365*86400) |
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! CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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! & SQUEEZE_RIGHT , 1) |
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! endif |
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! |
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! if (time_step_int .ge. time_step_remain) then |
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! time_step_int = time_step_remain |
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! time_step_remain = 0.0 |
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! else |
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! time_step_remain = time_step_remain - time_step_int |
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! endif |
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|
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|
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|
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|
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|
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|
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! if (time_step_int .gt. 1000) then |
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|
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WRITE(msgBuf,'(A,I10.10,E9.2,A)') |
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& 'streamice solo_time_step: nIter', |
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& myIter, myTime/86400.0/365.0, 'seconds' |
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|
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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CALL STREAMICE_VELMASK_UPD (myThid) |
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CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
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CALL STREAMICE_VEL_SOLVE( myThid ) |
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! endif |
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|
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|
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CALL STREAMICE_ADVECT_THICKNESS ( myThid, deltaT ) |
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|
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|
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! enddo |
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|
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! CALL STREAMICE_VELMASK_UPD (myThid) |
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! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
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! CALL STREAMICE_VEL_SOLVE( myThid ) |
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|
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! modelEnd = myTime.EQ.endTime .OR. myIter.EQ.nEndIter |
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|
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! #ifdef ALLOW_DIAGNOSTICS |
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! |
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! ! this stuff was to replace what is in forward_step, but not |
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! ! forward_step will be called |
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! |
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! ! IF ( useDiagnostics ) THEN |
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! ! CALL DIAGNOSTICS_SWITCH_ONOFF( myTime, myiter, myThid ) |
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! ! ! C-- State-variables diagnostics |
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! ! ! CALL TIMER_START('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
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! ! ! CALL DO_STATEVARS_DIAGS( myTime, 0, myIter, myThid ) |
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! ! ! CALL TIMER_STOP ('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
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! ! ENDIF |
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! |
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! |
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! IF ( useDiagnostics ) THEN |
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! CALL DIAGNOSTICS_FILL(U_streamice,'SI_Uvel ', |
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! & 0,1,0,1,1,myThid) |
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! CALL DIAGNOSTICS_FILL(V_streamice,'SI_Vvel ', |
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! & 0,1,0,1,1,myThid) |
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! CALL DIAGNOSTICS_FILL(H_streamice,'SI_Thick', |
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! & 0,1,0,1,1,myThid) |
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! CALL DIAGNOSTICS_FILL(area_shelf_streamice,'SI_area ', |
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! & 0,1,0,1,1,myThid) |
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! CALL DIAGNOSTICS_FILL(float_frac_streamice,'SI_float', |
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! & 0,1,0,1,1,myThid) |
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! |
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! ENDIF |
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! |
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! ! IF ( useDiagnostics ) THEN |
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! ! CALL TIMER_START('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
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! ! CALL DO_STATEVARS_DIAGS( myTime, 2, myIter, myThid ) |
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! ! CALL TIMER_STOP ('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
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! ! ENDIF |
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! |
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! #endif /* ALLOW_DIAGNOSTICS */ |
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|
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! myIter = nIter0 + iLoop |
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! myTime = startTime + deltaTClock * float(iLoop) |
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! |
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! CALL TIMER_START('DO_THE_MODEL_IO [FORWARD_STEP]',myThid) |
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! CALL DO_THE_MODEL_IO( modelEnd, myTime, myIter, myThid ) |
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! CALL TIMER_STOP ('DO_THE_MODEL_IO [FORWARD_STEP]',myThid) |
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|
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|
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#endif |
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RETURN |
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END |
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